The conservative national group FreedomWorks is backing a trio of House candidates in contested primaries, giving them boosts in their races and creating potential headaches for the GOP establishment.

The Tea Party-aligned group is endorsing Iowa Secretary of State Matt Schultz (R) for retiring Rep. Tom Latham's (R-Iowa) seat, businessman Tommy Moll (R) for the seat Rep. Tom CottonTom Bryant CottonCotton mocks NY Times over claim of nonpartisanship, promises to submit op-eds as test Barrett fight puts focus on abortion in 2020 election COVID outbreak threatens GOP's Supreme Court plans MORE (R-Ark.) is vacating for a Senate bid, and state Rep. Adam Kwasman (R) in his bid to face Rep. Ann KirkpatrickAnn KirkpatrickArizona Rep. Tom O'Halleran wins Democratic primary Arizona Rep. Ann Kirkpatrick wins Democratic primary Cook shifts 20 House districts toward Democrats MORE (D-Ariz.).

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In a release, FreedomWorks's PAC called the three the "clear choice for limited-government voters looking to preserve economic freedom and rein in Washington's out-of-control spending."

All three face primaries in districts Democrats hope they can contest in the general election, and centrist Republicans have expressed at least some hesitation about some as general-election candidates.

Kirkpatrick is a top GOP target, but establishment Republicans hope Arizona House Speaker Andy Tobin (R) will be their nominee. Moll is facing off against Arkansas state Rep. Bruce Westerman (R), who's better-known in the district, with the winner likely to face former Clinton FEMA director James Lee Witt (D) in the general election. Schultz is one of several candidates running for Latham's swing district.